This is a small open hardware project for a battery holder for two AAAA batteries for buffering the RTC of the Mountain Topper MTR-5B ham radio transceiver.
The originally installed coin cell holder cannot provide a sufficient capacity and causes start-up problems once the battery is discharged below a certain level.
The design rules are set up for OSH Park, but double-check they fit your needs before using them.
THE DESIGN IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE DESIGN OR THE USE OR OTHER DEALINGS IN THE DESIGN.